diff --git a/ServicePoint/ServicePoint.csproj b/ServicePoint/ServicePoint.csproj
index 8749854..aeb3f62 100644
--- a/ServicePoint/ServicePoint.csproj
+++ b/ServicePoint/ServicePoint.csproj
@@ -24,20 +24,20 @@
     </PropertyGroup>
 
     <!-- generate C# bindings -->
-    <Target Name="BuildBindings" Condition="'$(Configuration)'=='Release'" BeforeTargets="PrepareForBuild">
+    <Target Name="BuildBindings" Condition="'$(Configuration)'=='Release' And '$(ContinuousIntegrationBuild)'!='true'" BeforeTargets="PrepareForBuild">
         <Exec Command="cargo build--manifest-path ../servicepoint-binding-uniffi/Cargo.toml --release"/>
     </Target>
-    <Target Name="BuildBindings" Condition="'$(Configuration)'=='Debug'" BeforeTargets="PrepareForBuild">
+    <Target Name="BuildBindings" Condition="'$(Configuration)'=='Debug' And '$(ContinuousIntegrationBuild)'!='true'" BeforeTargets="PrepareForBuild">
         <Exec Command="cargo build --manifest-path ../servicepoint-binding-uniffi/Cargo.toml"/>
     </Target>
 
     <!-- include native binary in output -->
-    <ItemGroup Condition="'$(Configuration)'=='Debug'">
+    <ItemGroup Condition="'$(Configuration)'=='Debug' And '$(ContinuousIntegrationBuild)'!='true'">
         <Content Include="../target/debug/libservicepoint_binding_uniffi.so" CopyToOutputDirectory="Always">
             <Link>libservicepoint_binding_uniffi.so</Link>
         </Content>
     </ItemGroup>
-    <ItemGroup Condition="'$(Configuration)'=='Release'">
+    <ItemGroup Condition="'$(Configuration)'=='Release' And '$(ContinuousIntegrationBuild)'!='true'">
         <Content Include="../target/release/libservicepoint_binding_uniffi.so" CopyToOutputDirectory="Always">
             <Link>libservicepoint_binding_uniffi.so</Link>
         </Content>
diff --git a/deps.json b/deps.json
new file mode 100644
index 0000000..308cf74
--- /dev/null
+++ b/deps.json
@@ -0,0 +1,617 @@
+[
+  {
+    "pname": "coverlet.collector",
+    "version": "6.0.0",
+    "hash": "sha256-IEmweTMapcPhFHpmJsPXfmMhravYOrWupgjeOvMmQ4o="
+  },
+  {
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+    "version": "8.0.0",
+    "hash": "sha256-vX6/kPij8vNAu8f7rrvHHhPrNph20IcufmrBgZNxpQA="
+  },
+  {
+    "pname": "Microsoft.CodeCoverage",
+    "version": "17.8.0",
+    "hash": "sha256-cv/wAXfTNS+RWEsHWNKqRDHC7LOQSSdFJ1a9cZuSfJw="
+  },
+  {
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+    "version": "17.8.0",
+    "hash": "sha256-uz7QvW+NsVRsp8FR1wjnGEOkUaPX4JyieywvCN6g2+s="
+  },
+  {
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+    "version": "1.1.0",
+    "hash": "sha256-FeM40ktcObQJk4nMYShB61H/E8B7tIKfl9ObJ0IOcCM="
+  },
+  {
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+    "hash": "sha256-0AqQ2gMS8iNlYkrD+BxtIg7cXMnr9xZHtKAuN4bjfaQ="
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+    "pname": "System.Reflection.Primitives",
+    "version": "4.3.0",
+    "hash": "sha256-5ogwWB4vlQTl3jjk1xjniG2ozbFIjZTL9ug0usZQuBM="
+  },
+  {
+    "pname": "System.Reflection.TypeExtensions",
+    "version": "4.3.0",
+    "hash": "sha256-4U4/XNQAnddgQIHIJq3P2T80hN0oPdU2uCeghsDTWng="
+  },
+  {
+    "pname": "System.Resources.ResourceManager",
+    "version": "4.3.0",
+    "hash": "sha256-idiOD93xbbrbwwSnD4mORA9RYi/D/U48eRUsn/WnWGo="
+  },
+  {
+    "pname": "System.Runtime",
+    "version": "4.3.0",
+    "hash": "sha256-51813WXpBIsuA6fUtE5XaRQjcWdQ2/lmEokJt97u0Rg="
+  },
+  {
+    "pname": "System.Runtime.Extensions",
+    "version": "4.3.0",
+    "hash": "sha256-wLDHmozr84v1W2zYCWYxxj0FR0JDYHSVRaRuDm0bd/o="
+  },
+  {
+    "pname": "System.Runtime.Handles",
+    "version": "4.3.0",
+    "hash": "sha256-KJ5aXoGpB56Y6+iepBkdpx/AfaJDAitx4vrkLqR7gms="
+  },
+  {
+    "pname": "System.Runtime.InteropServices",
+    "version": "4.3.0",
+    "hash": "sha256-8sDH+WUJfCR+7e4nfpftj/+lstEiZixWUBueR2zmHgI="
+  },
+  {
+    "pname": "System.Runtime.InteropServices.RuntimeInformation",
+    "version": "4.3.0",
+    "hash": "sha256-MYpl6/ZyC6hjmzWRIe+iDoldOMW1mfbwXsduAnXIKGA="
+  },
+  {
+    "pname": "System.Runtime.Numerics",
+    "version": "4.3.0",
+    "hash": "sha256-P5jHCgMbgFMYiONvzmaKFeOqcAIDPu/U8bOVrNPYKqc="
+  },
+  {
+    "pname": "System.Security.Claims",
+    "version": "4.3.0",
+    "hash": "sha256-Fua/rDwAqq4UByRVomAxMPmDBGd5eImRqHVQIeSxbks="
+  },
+  {
+    "pname": "System.Security.Cryptography.Algorithms",
+    "version": "4.3.0",
+    "hash": "sha256-tAJvNSlczYBJ3Ed24Ae27a55tq/n4D3fubNQdwcKWA8="
+  },
+  {
+    "pname": "System.Security.Cryptography.Cng",
+    "version": "4.3.0",
+    "hash": "sha256-u17vy6wNhqok91SrVLno2M1EzLHZm6VMca85xbVChsw="
+  },
+  {
+    "pname": "System.Security.Cryptography.Csp",
+    "version": "4.3.0",
+    "hash": "sha256-oefdTU/Z2PWU9nlat8uiRDGq/PGZoSPRgkML11pmvPQ="
+  },
+  {
+    "pname": "System.Security.Cryptography.Encoding",
+    "version": "4.3.0",
+    "hash": "sha256-Yuge89N6M+NcblcvXMeyHZ6kZDfwBv3LPMDiF8HhJss="
+  },
+  {
+    "pname": "System.Security.Cryptography.OpenSsl",
+    "version": "4.3.0",
+    "hash": "sha256-DL+D2sc2JrQiB4oAcUggTFyD8w3aLEjJfod5JPe+Oz4="
+  },
+  {
+    "pname": "System.Security.Cryptography.Primitives",
+    "version": "4.3.0",
+    "hash": "sha256-fnFi7B3SnVj5a+BbgXnbjnGNvWrCEU6Hp/wjsjWz318="
+  },
+  {
+    "pname": "System.Security.Cryptography.X509Certificates",
+    "version": "4.3.0",
+    "hash": "sha256-MG3V/owDh273GCUPsGGraNwaVpcydupl3EtPXj6TVG0="
+  },
+  {
+    "pname": "System.Security.Principal",
+    "version": "4.3.0",
+    "hash": "sha256-rjudVUHdo8pNJg2EVEn0XxxwNo5h2EaYo+QboPkXlYk="
+  },
+  {
+    "pname": "System.Security.Principal.Windows",
+    "version": "4.3.0",
+    "hash": "sha256-mbdLVUcEwe78p3ZnB6jYsizNEqxMaCAWI3tEQNhRQAE="
+  },
+  {
+    "pname": "System.Text.Encoding",
+    "version": "4.3.0",
+    "hash": "sha256-GctHVGLZAa/rqkBNhsBGnsiWdKyv6VDubYpGkuOkBLg="
+  },
+  {
+    "pname": "System.Text.Encoding.Extensions",
+    "version": "4.3.0",
+    "hash": "sha256-vufHXg8QAKxHlujPHHcrtGwAqFmsCD6HKjfDAiHyAYc="
+  },
+  {
+    "pname": "System.Text.RegularExpressions",
+    "version": "4.3.0",
+    "hash": "sha256-VLCk1D1kcN2wbAe3d0YQM/PqCsPHOuqlBY1yd2Yo+K0="
+  },
+  {
+    "pname": "System.Threading",
+    "version": "4.3.0",
+    "hash": "sha256-ZDQ3dR4pzVwmaqBg4hacZaVenQ/3yAF/uV7BXZXjiWc="
+  },
+  {
+    "pname": "System.Threading.Tasks",
+    "version": "4.3.0",
+    "hash": "sha256-Z5rXfJ1EXp3G32IKZGiZ6koMjRu0n8C1NGrwpdIen4w="
+  },
+  {
+    "pname": "System.Threading.Tasks.Extensions",
+    "version": "4.3.0",
+    "hash": "sha256-X2hQ5j+fxcmnm88Le/kSavjiGOmkcumBGTZKBLvorPc="
+  },
+  {
+    "pname": "System.Threading.ThreadPool",
+    "version": "4.3.0",
+    "hash": "sha256-wW0QdvssRoaOfQLazTGSnwYTurE4R8FxDx70pYkL+gg="
+  },
+  {
+    "pname": "System.Threading.Timer",
+    "version": "4.3.0",
+    "hash": "sha256-pmhslmhQhP32TWbBzoITLZ4BoORBqYk25OWbru04p9s="
+  },
+  {
+    "pname": "System.Xml.ReaderWriter",
+    "version": "4.3.0",
+    "hash": "sha256-QQ8KgU0lu4F5Unh+TbechO//zaAGZ4MfgvW72Cn1hzA="
+  },
+  {
+    "pname": "System.Xml.XDocument",
+    "version": "4.3.0",
+    "hash": "sha256-rWtdcmcuElNOSzCehflyKwHkDRpiOhJJs8CeQ0l1CCI="
+  },
+  {
+    "pname": "xunit",
+    "version": "2.5.3",
+    "hash": "sha256-X4TkN9y/572LnqOX+fiX6dqsqKe/HbAWZq6PhdD0qGM="
+  },
+  {
+    "pname": "xunit.abstractions",
+    "version": "2.0.3",
+    "hash": "sha256-0D1y/C34iARI96gb3bAOG8tcGPMjx+fMabTPpydGlAM="
+  },
+  {
+    "pname": "xunit.analyzers",
+    "version": "1.4.0",
+    "hash": "sha256-2m8ikSNvEzQ53rtqhruTpQZpJ+nzI9lhLj0x9w5FKO0="
+  },
+  {
+    "pname": "xunit.assert",
+    "version": "2.5.3",
+    "hash": "sha256-+cbNHWwm1no316xMJsdzO7TAV7bIlm3dz8dvKHQ66CU="
+  },
+  {
+    "pname": "xunit.core",
+    "version": "2.5.3",
+    "hash": "sha256-TEL6tBUxWDU9rVOj4KaxBpL+uZQ/3kcZWVDDueeQkhw="
+  },
+  {
+    "pname": "xunit.extensibility.core",
+    "version": "2.5.3",
+    "hash": "sha256-IjyXgVi/AAnilPsD4IrnqtSrr7Ugu75DguPnI2bVSFs="
+  },
+  {
+    "pname": "xunit.extensibility.execution",
+    "version": "2.5.3",
+    "hash": "sha256-zN7R4kZGsujpo8aAn4OHdtA0u/r5aeiZaw6A53B69KU="
+  },
+  {
+    "pname": "xunit.runner.visualstudio",
+    "version": "2.5.3",
+    "hash": "sha256-GZN1E9rOGorQvVSbGTsmXgJxj2TtJwJxCuo+oh+NEBI="
+  }
+]
diff --git a/flake.lock b/flake.lock
index daf37b8..ad380ee 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,5 +1,25 @@
 {
   "nodes": {
+    "binding": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1759093963,
+        "narHash": "sha256-nis9Xps/P1f/v9FC3LoMLGGCOMMbdrOniDSklqLsH8o=",
+        "ref": "refs/heads/main",
+        "rev": "44ef4bb6d707c46af1bed6244f17a16f26f246c1",
+        "revCount": 304,
+        "type": "git",
+        "url": "https://git.berlin.ccc.de/servicepoint/servicepoint-binding-uniffi.git"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.berlin.ccc.de/servicepoint/servicepoint-binding-uniffi.git"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1758791193,
@@ -18,6 +38,7 @@
     },
     "root": {
       "inputs": {
+        "binding": "binding",
         "nixpkgs": "nixpkgs"
       }
     }
diff --git a/flake.nix b/flake.nix
index 30349de..30a9791 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,12 +3,18 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
+
+    binding = {
+      url = "git+https://git.berlin.ccc.de/servicepoint/servicepoint-binding-uniffi.git";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs =
     {
       self,
       nixpkgs,
+      binding,
     }:
     let
       lib = nixpkgs.lib;
@@ -22,43 +28,70 @@
         f:
         lib.genAttrs supported-systems (
           system:
-          f rec {
-            pkgs = nixpkgs.legacyPackages.${system};
+          f {
             inherit system;
+            pkgs = nixpkgs.legacyPackages.${system};
+            bindingPkgs = binding.packages.${system};
+            selfPkgs = self.packages.${system};
           }
         );
     in
     {
-      devShells = forAllSystems (
-        { pkgs, system }:
+      packages = forAllSystems (
         {
-          default = pkgs.mkShell {
-            packages = with pkgs; [
-              (pkgs.symlinkJoin
-              {
-                name = "rust-toolchain";
-                paths = with pkgs; [
-                  rustc
-                  cargo
-                  rustPlatform.rustcSrc
-                  rustfmt
-                  clippy
-                  cargo-expand
-                  cargo-tarpaulin
-                ];
-              })
-              dotnet-sdk_8
-              gcc
-              gnumake
-              xe
-              xz
+          pkgs,
+          bindingPkgs,
+          selfPkgs,
+          ...
+        }:
+        {
+          default = selfPkgs.servicepoint-binding-csharp;
+          servicepoint-binding-uniffi = bindingPkgs.servicepoint-binding-uniffi;
+          servicepoint-binding-csharp = pkgs.buildDotnetModule {
+            pname = "servicepoint-binding-csharp";
+            version = "0.0.0";
+
+            src = ./.;
+            projectFile = "csharp.sln";
+            nugetDeps = ./deps.json;
+
+            dotnet-sdk = pkgs.dotnetCorePackages.sdk_8_0;
+            dotnet-runtime = pkgs.dotnetCorePackages.runtime_8_0;
+
+            packNupkg = true;
+
+            nativeBuildInputs = with pkgs; [
               pkg-config
+              gnumake
+              iconv
+              bindingPkgs.servicepoint-binding-uniffi
             ];
-            RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";
           };
         }
       );
 
-      formatter = forAllSystems ({ pkgs, ... }: pkgs.nixfmt-rfc-style);
+      devShells = forAllSystems (
+        {
+          pkgs,
+          bindingPkgs,
+          selfPkgs,
+          ...
+        }:
+        {
+          default = pkgs.mkShell {
+            inputsFrom = [
+              bindingPkgs.servicepoint-binding-uniffi
+              selfPkgs.servicepoint-binding-csharp
+            ];
+
+            packages = with pkgs; [
+              bindingPkgs.servicepoint-binding-uniffi
+              nuget-to-json
+            ];
+          };
+        }
+      );
+
+      formatter = forAllSystems ({ pkgs, ... }: pkgs.nixfmt-tree);
     };
 }
diff --git a/gen-deps.sh b/gen-deps.sh
new file mode 100755
index 0000000..53e8dca
--- /dev/null
+++ b/gen-deps.sh
@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+set -euxo pipefail
+
+# first time
+# dotnet restore --packages out
+# nuget-to-json out > deps.json
+
+# update
+nix build ".?submodules=1#servicepoint-tanks-backend.fetch-deps"
+./result deps.json